Improvement in lubricator for loose pulleys



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ISAAO P. vWlill\TDE hll AND STEPHEN P. M. TSKER, OF PHIIiADELl-HIA` .PEN N SYLVANIA.

Letters Patent No. 102,739,-dated May 3, 1870.

IMPROVMNT IN LUBRIGATOR i'r'oyR Loosz: PULLYs.

The Schedule refeln'ed to in these Letters Patent and making part of the same TASKER, of the city of Philadelphia 'and State of Pennsylvania, have invented a certain Improvement m-Lubrlcating Loose-Pullcys, of which the following is a specification.

The nature` of our invention consists of an oilchamber in an adj ustable tube arranged in the.` hub of the pulley at radii therewth, and having its inner end curved to fit the shaft on which the pulley is situated, there being a packing of fibrous or porons material in the end of the tube which also fits the shaft, and there being also an adj ustable screw-plug, which is screwed down on the outer end of the tube, to hold iii, iii]` position, with its curved end slightly touching the s 1a t.

The-oil-chainber is divided iu the middle by means of a defiecting-plate, curved at each end, so as to form an opening at each 'end of the tube for the passage of the oil within the same, by which means there is a circuit given to the oil as the shaft revolves, so as to prevent the collection ofthe oil atthe outer cud of the Chamber by centrifugal force, and thus to admit of the oil passing through the packing for the lubricatiou of the shaft, as hereinafter described.

'To enable others skilled in the art to which our improvement appertains to make and use onr invention, we will now give a detailed description thercof.

In the. accompanyiug drawings, `which make a part of this specificati'on- Figure 1 is a side view of the screw-plug A and tube O.

Figures 2 and 3 are end views of the same.

Figure 4 is an end view of the tube O.

Figure 5 is a Vertical section at the line a; x of tig. 4.

Figure 6 is across-section of the shaft F, a portion of the hub B, and longitudinal section through the plug A, and tube O.

Like letters in all the figures indicnte thc same parts.

A is a plug, having a thread, a, to provide for screwing it fastinto the hub B of a loo'se pulley.

b isa jam-nut, for securing it firmly in place.

O is a tube, having an oil-chamber, divided into two parts, D D', by the plate zl, which is curved' outat eachend for the passugc of the oil to form a circuit through the parts D and D'.

The tube G is provided with a paching, E, of fibrous or porons materialin the recess c, which is shown fully -in fig. 5,-iu which the pa'ckingis left out.

There is a central hole, through which the oil passes to keep up the supply1 as it oozes through the packiug.

The tube is curved at its inner end tofit the shaft 7 in the outer end.

If the oil-chamber were not divided, the centrifugal force would send the oil to the outer end of the tube O, where it would remain and prevent the lubricatiou of the shaft. But, in consequence of the oil-Chamber being constructed as described, as the 'shaft F, with.

thel pulley, turns in the directiou of the arrow, the oil is thrown outward through the channel of the chamber, until it reaches the outer end, where it pusses through the opening at the end of the plate (Z, which i is favored by the curved form of the end of the adjusting-plng G, and is turned, by its force, inward through the channel D' to the inner end of the chamber, and thence passes through the open end of the plate (I, and so on, keeping up the circuit. The oil is thereby prevented gatheriug and remaining at the outer end .of the chamber, and is thus caused to come into contact with the packiug E, th ugh which 'it oozes and keeps up a Constant and r We design to sometimes dispense with the screwplug A, and insert the tube O iu the hub B, the hub being tapped to receive the central adjusting-screw G.

What we claim as new, and desire to secure by Letters Patent, is-

The tube O, constructed with abisccted oil-chamber, D D' and having a packing, E, in its inner end, and combined with the hub "B, with or without the screw-plug A, the tube being adjustable| to the shaft by means of the central screw G, the whole being constructed and arranged substantially as described.

In testimouy that the above is ourinvention, we have hereunto set our 'hands and affixed our seals this 3d day of March, 1870.

` ISAAO P. W'ENDELL. [[1. s.]

STEPHEN P. M. TASKER. [L. s.] Wit-nesses:

STEPHEN Usrrcn, THOMAS J.. BnwLnY.

4 and is adj usted by means of the central screw G,

la-rlubricatlon. o 

